<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			* {
				margin: 0;
				padding: 0;
			}
			#myCan {
				background-color: skyblue;
			}
		</style>
	</head>
	<body>
		<canvas id="myCan" width="1000px" height="800px"></canvas>
		<script type="text/javascript">
			var oC = document.getElementById('myCan');
			var ctx = oC.getContext('2d')
			ctx.beginPath();
			ctx.lineWidth=10;
			ctx.strokeStyle = '#00A902';
			ctx.fillStyle = '#00A902';
			ctx.arc(200,200,100,0,2*Math.PI);
			ctx.stroke();
			ctx.beginPath();
			ctx.arc(160,160,15,0,2*Math.PI);
			ctx.arc(240,160,15,0,2*Math.PI);
			ctx.fill();
			ctx.beginPath();
			ctx.arc(200,205,50,20*Math.PI/180,160*Math.PI/180);
			ctx.stroke();
			ctx.closePath();
		</script>
	</body>
</html>

